/Engine/Source/Editor/GameProjectGeneration/Public/GameProjectUtils.h
Creates the basic source code for a new project. On failure, OutFailReason will be populated.
static bool GenerateBasicSourceCode ( [TArray](API\Runtime\Core\Containers\TArray)< [FString](API\Runtime\Core\Containers\FString) > & OutCreatedFiles, [FText](API\Runtime\Core\Internationalization\FText) & OutFailReason )